River City Super Sports Challenge, originally released in Japan as Kunio-kun no Chou Nekketsu! Daiundoukai is a sports game released for the Nintendo DS developed by Million Co. Ltd and Arc System Works, and published by Arc System Works in Japan on February 4, 2010, and in North America by Aksys Games on October 12, 2010. It is the first Kunio-kun game feature 3D graphics.